Refine My Results

Creation Date 

1. Before 1997  (211)
2. 1997 To 2003  (288)
3. 2004 To 2010  (7,287)
4. 2011 To 2018  (31,278)
5. After 2018  (32,505)
6. More options 

New Records 

1. New From Last Week  (137)
2. New From Last Month  (3,371)
3. More options 

Subject 

1. Paper Not Otherwise Provided For  (40,904)
2. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (40,904)
3. Impregnating Or Coating Of Paper  (40,904)
4. Pulp Compositions  (40,904)
5. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (40,904)
6. Transporting  (16,482)
7. Performing Operations  (16,482)
8. Methods Of Producing Paper Thereon  (14,431)
9. Paper-Making Machines  (14,431)
10. Chemistry  (11,286)
11. Metallurgy  (11,286)
12. Apparatus Therefor  (10,603)
13. Regeneration Of Pulping Liquors  (10,543)
14. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (10,543)
15. Fibrous Raw Materials Or Their Mechanical Treatment  (7,922)
16. Treatment Of The Materials Before Passing To The Paper-Makingmachine  (6,964)
17. Layered Products  (6,869)
18. More options 

Language 

1. English  (56,584)
2. French  (425)
3. More options